readers.geowave¶
The GeoWave reader uses GeoWave to read from Accumulo. GeoWave entries are stored using EPSG:4326.
Dynamic Plugin
This stage requires a dynamic plugin to operate
Example¶
[
{
"type":"readers.geowave",
"zookeeper_url":"zookeeper1:2181,zookeeper2:2181,zookeeper3:2181",
"instance_name":"GeoWave",
"username":"user",
"password":"pass",
"table_namespace":"PDAL_Table",
"feature_type_name":"PDAL_Point",
"data_adapter":"FeatureCollectionDataAdapter",
"points_per_entry":"5000u",
"bounds":"([0,1000000],[0,1000000],[0,100])",
"filename":"./pdal/test/data/autzen/autzen.jpg"
},
{
"type":"writers.text",
"filename":"outputfile.txt"
}
]
Options¶
- count
Maximum number of points to read. [Default: unlimited]
- override_srs
Spatial reference to apply to the data. Overrides any SRS in the input itself. Can be specified as a WKT, proj.4 or EPSG string. [Default: none]
- zookeeper_url
The comma-delimited URLs for all zookeeper servers, this will be directly used to instantiate a ZookeeperInstance. [Required]
- instance_name
the zookeeper instance name, this will be directly used to instantiate a ZookeeperInstance. [Required]
- username
The username for the account to establish an Accumulo connector. [Required]
- password
The password for the account to establish an Accumulo connector. [Required]
- table_namespace
The table name to be used when interacting with GeoWave. [Required]
- feature_type_name
The feature type name to be used when ineracting GeoWave. [Default: PDAL_Point]
- data_adapter
FeatureCollectionDataAdapter stores multiple points per Accumulo entry. FeatureDataAdapter stores a single point per Accumulo entry. [Default: FeatureCollectionDataAdapter]
- points_per_entry
Sets the maximum number of points per Accumulo entry when using FeatureCollectionDataAdapter. [Default: 5000]
- bounds
The extent of the bounding rectangle to use to query points, expressed as a string, eg: “([xmin,xmax],[ymin,ymax],[zmin,zmax])”. [Default: unit cube]